Deputy Foreign Minister Majid Takht-e-Ravanchi says that ending the “oppressive sanctions” and preserving Iran’s right to uranium enrichment, were insisted by the Iranian delegation in Istanbul nuclear talks.

Germany, France and the United Kingdom hold talks with Iran in Istanbul Friday, just days after the three European nations warned they would reimpose stiff sanctions on Tehran.

European nations and Iran held 'serious' talks in Istanbul about Iran's nuclear program, with the 'snapback' mechanism to restore UN sanctions remaining on the table.